<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
    <meta charset="UTF-8"/>
    <title>首页</title>
</head>
<body>
<div style="color: blue">
    Hello, caiya@菜蚜!
</div>

</body>
</html>